@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap";:root{color-scheme:light;--ink: #1f2f3a;--ink-soft: #5e6b74;--paper: #f1f3f4;--paper-light: #fafbfb;--line: #d5dbe0;--forest: #27445d;--mint: #dce6ed;--orange: #315f7d;--white: #ffffff;font-family:Manrope,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink)}a{color:inherit}button,input{font:inherit}button{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #8cb4ce;outline-offset:3px}.skip-link{position:fixed;left:16px;top:-60px;z-index:100;padding:10px 16px;background:var(--white);border-radius:8px}.skip-link:focus{top:12px}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,76px);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper-light) 92%,transparent)}.brand{display:inline-flex;align-items:baseline;text-decoration:none;font-size:25px;font-weight:700;letter-spacing:-1.8px}.brand b{color:var(--orange);font-size:32px;line-height:0}.topbar nav{display:flex;align-items:center;gap:clamp(18px,3vw,42px)}.topbar nav a{text-decoration:none;font-size:13px;font-weight:600}.topbar nav a:hover{color:var(--orange)}.topbar nav a[aria-current=page]{color:var(--orange)}.topbar .nav-download{border:1px solid var(--line);border-radius:4px;padding:8px 13px}main{overflow:hidden}.hero{display:grid;align-items:center;padding:clamp(74px,9vw,112px) clamp(20px,7vw,108px) clamp(68px,8vw,98px)}.hero-copy{position:relative;z-index:1;max-width:820px}.eyebrow{margin:0 0 15px;color:var(--orange);text-transform:uppercase;letter-spacing:.13em;font-size:10px;font-weight:700}h1,h2,h3,p{text-wrap:pretty}.hero h1{margin:0;max-width:900px;font-size:clamp(44px,6vw,76px);line-height:1.02;letter-spacing:-.045em;font-weight:600}.hero-lead{max-width:690px;margin:24px 0 0;color:var(--ink-soft);font-size:clamp(16px,1.5vw,19px);line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:4px;text-decoration:none;font-weight:700;font-size:13px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--forest);color:var(--white)}.button-secondary{border:1px solid var(--line);background:var(--white)}.subject-meta{margin:34px 0 0;color:var(--ink-soft);font-size:12px;font-variant-numeric:tabular-nums}.subject-meta span{margin:0 8px;color:#9aa5ac}.section{padding:clamp(76px,9vw,126px) clamp(20px,7vw,108px)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}.section-heading h2{margin:0;font-size:clamp(34px,4.2vw,56px);line-height:1.05;letter-spacing:-.04em}.section-heading>p{max-width:390px;margin:0 0 6px;color:var(--ink-soft);line-height:1.6}.guides{border-top:1px solid var(--line);background:var(--paper-light)}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.guide-card{min-height:280px;display:grid;grid-template-columns:1fr auto;align-content:start;padding:clamp(25px,3vw,36px);border:1px solid var(--line);background:var(--white);color:var(--ink);text-decoration:none;border-radius:2px;transition:border-color .2s,transform .2s}.guide-card:hover{transform:translateY(-2px);border-color:#8ea4b4}.guide-number{color:var(--orange);font-size:20px;font-variant-numeric:tabular-nums}.guide-type{justify-self:end;align-self:start;color:var(--ink-soft);font-size:9px;text-transform:uppercase;letter-spacing:.12em;font-weight:700}.guide-card h3{grid-column:1 / -1;align-self:end;margin:52px 0 10px;max-width:560px;font-size:clamp(23px,2.6vw,34px);line-height:1.1;letter-spacing:-.035em}.guide-card p{grid-column:1 / -1;max-width:490px;min-height:50px;margin:0;opacity:.72;line-height:1.55}.guide-link{grid-column:1 / -1;margin-top:28px;font-size:13px;font-weight:700}.questions{background:var(--paper-light)}.questions-heading{margin-bottom:30px}.question-actions{display:flex;gap:8px}.question-actions button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:10px 14px;font-size:12px;cursor:pointer}.question-actions button:hover{border-color:var(--ink)}.search-box{height:62px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;border:1px solid var(--line);border-radius:4px;background:var(--white);padding:0 20px}.search-box>span{font-size:25px;transform:rotate(-18deg)}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:16px}.search-box input::placeholder{color:#8c9793}.search-box kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:4px 7px;color:var(--ink-soft);font:11px Manrope,sans-serif}.results-line{display:flex;justify-content:space-between;margin:18px 2px 9px;color:var(--ink-soft);font-size:12px}.question-list{border-top:1px solid var(--ink)}.question-card{border-bottom:1px solid var(--line)}.question-card[hidden]{display:none}.question-card summary{min-height:82px;display:grid;grid-template-columns:64px 1fr 24px;align-items:center;gap:18px;list-style:none;cursor:pointer}.question-card summary::-webkit-details-marker{display:none}.question-number{color:var(--orange);font-size:16px;font-variant-numeric:tabular-nums}.question-title{font-size:clamp(16px,1.8vw,22px);font-weight:600;letter-spacing:-.02em}.question-toggle{width:18px;height:18px;position:relative}.question-toggle:before,.question-toggle:after{content:"";position:absolute;left:2px;right:2px;top:8px;height:1px;background:var(--ink);transition:transform .2s}.question-toggle:after{transform:rotate(90deg)}.question-card[open] .question-toggle:after{transform:rotate(0)}.question-card[open] summary{color:var(--forest)}.question-body{margin:0 42px 54px 82px;max-width:890px}.empty-state{padding:80px 0;text-align:center}.empty-state span{display:block;margin-top:8px;color:var(--ink-soft)}.load-error{padding:30px;background:#f9e0d6;border-left:3px solid var(--orange)}.prose{font-size:15px;line-height:1.72;color:#263d38}.prose h1{font-size:clamp(38px,5vw,66px);line-height:1.03;letter-spacing:-.045em}.prose h2{margin-top:2.4em;font-size:clamp(27px,3vw,38px);line-height:1.12;letter-spacing:-.035em}.prose h3{margin-top:2em;font-size:22px;letter-spacing:-.025em}.prose h4{margin:2em 0 .6em;color:var(--orange);font-size:11px;text-transform:uppercase;letter-spacing:.11em}.prose p,.prose li{max-width:78ch}.prose a{color:#275f84;text-underline-offset:3px}.prose blockquote{margin:24px 0;padding:6px 24px;border-left:3px solid var(--orange);color:var(--ink-soft)}.prose code{padding:2px 5px;border-radius:4px;background:#ebe8df;font-size:.9em}.prose pre{overflow-x:auto;padding:20px;background:#203747;color:var(--white);border-radius:4px}.prose pre code{padding:0;background:transparent}.prose table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;font-size:13px}.prose th,.prose td{padding:10px 12px;border:1px solid var(--line);text-align:left}.prose th{background:#ebe8df}.prose .katex-display{overflow-x:auto;overflow-y:hidden;padding:9px 0}.reader-topbar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.back-link{text-decoration:none;font-size:13px;font-weight:600}.reader-shell{min-height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(220px,290px) minmax(0,900px);gap:clamp(45px,8vw,120px);align-items:start;padding:54px clamp(20px,7vw,108px) 120px;overflow:visible}.reader-sidebar{position:sticky;top:130px}.sidebar-label{margin:0 0 12px;color:var(--ink-soft);font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:700}#guide-nav{display:grid;gap:4px}#guide-nav a,.reader-files a{padding:10px 12px;border-left:2px solid transparent;text-decoration:none;color:var(--ink-soft);font-size:13px}#guide-nav a:hover,#guide-nav a[aria-current=page],.reader-files a:hover,.reader-files a[aria-current=page]{border-color:var(--orange);color:var(--ink);background:color-mix(in srgb,var(--white) 55%,transparent)}.reader-files-wrap{margin-top:38px}.reader-files{display:grid;gap:2px}.reader-toc-wrap{margin-top:38px}.reader-toc{display:grid;gap:7px;max-height:42vh;overflow:auto}.reader-toc a{text-decoration:none;color:var(--ink-soft);font-size:11px;line-height:1.4}.reader-toc a:hover{color:var(--orange)}.reader-toc .toc-h3{padding-left:12px}.reader-content{min-width:0;padding:10px 0 80px}.reader-content>h1:first-child{margin-top:0}.reader-loading{color:var(--ink-soft)}footer{min-height:130px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px clamp(20px,7vw,108px);background:#203747;color:var(--paper-light)}footer p{margin:0;color:color-mix(in srgb,var(--paper-light) 65%,transparent);font-size:12px}footer>a:last-child{font-size:12px;text-decoration:none}@media(max-width:860px){.section-heading{align-items:start;flex-direction:column}.guide-grid,.reader-shell{grid-template-columns:1fr}.reader-sidebar{position:static}.reader-toc-wrap{display:none}}@media(max-width:600px){.topbar{height:66px}.topbar nav a[href^="#"]{display:none}.hero{padding-top:72px}.hero h1{font-size:44px}.catalog-main{padding-top:66px}.subject-row{grid-template-columns:38px minmax(0,1fr);gap:12px;padding:24px 0}.subject-number{padding-top:4px}.subject-open{grid-column:2}.guide-card{min-height:300px}.questions-heading{align-items:stretch}.question-actions{justify-content:flex-start}.search-box kbd{display:none}.question-card summary{grid-template-columns:46px 1fr 18px;gap:10px;padding:14px 0}.question-body{margin:0 0 42px}footer{align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}}.catalog-page{--catalog-paper: #f6f3ec;--catalog-ink: #101010;--catalog-muted: #6e6b65;--catalog-faint: #c9c4ba;--catalog-red: #e23720;min-width:320px;min-height:100svh;background:var(--catalog-paper);color:var(--catalog-ink);font-family:Arial,Helvetica,Nimbus Sans L,sans-serif;font-variant-numeric:tabular-nums lining-nums;-webkit-font-smoothing:antialiased}.catalog-page__inner{width:min(100%,1600px);min-height:100svh;margin:0 auto;padding:0 clamp(24px,4.2vw,68px);display:flex;flex-direction:column}.catalog-masthead{min-height:108px;display:grid;grid-template-columns:repeat(12,1fr);gap:18px;align-items:center;border-bottom:2px solid var(--catalog-ink);font-size:12px;font-weight:700;line-height:1.1;letter-spacing:.085em;text-transform:uppercase}.catalog-brand{grid-column:1 / 6;display:flex;align-items:center;gap:14px;width:fit-content;color:inherit;text-decoration:none}.catalog-brand__block{width:12px;height:28px;flex:0 0 auto;background:var(--catalog-red)}.catalog-masthead__section{grid-column:8 / 10;color:var(--catalog-red)}.catalog-masthead__issue{grid-column:11 / 13;text-align:right}.catalog-page main{flex:1}.catalog-intro{min-height:250px;display:grid;grid-template-columns:repeat(12,1fr);gap:18px;align-items:end;padding:38px 0 30px}.catalog-intro__kicker{grid-column:1 / 3;align-self:start;margin:5px 0 0;color:var(--catalog-red);font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase}.catalog-intro h1{grid-column:3 / 11;margin:0 0 -.08em;font-size:clamp(74px,9.2vw,146px);font-weight:700;line-height:.8;letter-spacing:-.065em}.catalog-intro__note{grid-column:11 / 13;margin:0;font-size:13px;font-weight:700;line-height:1.25;text-align:right;text-transform:uppercase}.catalog-table{border-top:2px solid var(--catalog-ink)}.catalog-table__head,.catalog-subject,.catalog-future-row{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.catalog-table__head{min-height:48px;align-items:center;border-bottom:1px solid var(--catalog-ink);font-size:10px;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.catalog-head__number{grid-column:1 / 3}.catalog-head__title{grid-column:3 / 8}.catalog-head__materials{grid-column:8 / 11}.catalog-head__action{grid-column:11 / 13;text-align:right}.catalog-subject{min-height:220px;align-items:stretch;color:inherit;text-decoration:none;border-bottom:2px solid var(--catalog-ink);transition:color .16s ease,background-color .16s ease}.catalog-subject:focus-visible{outline:4px solid var(--catalog-red);outline-offset:4px}.catalog-subject__ordinal{grid-column:1 / 3;align-self:center;color:var(--catalog-red);font-size:clamp(92px,9.6vw,148px);font-weight:700;line-height:.72;letter-spacing:-.08em}.catalog-subject__title{grid-column:3 / 8;align-self:center;margin:0;max-width:9ch;font-size:clamp(42px,4.1vw,66px);font-weight:700;line-height:.88;letter-spacing:-.055em}.catalog-subject__meta{grid-column:8 / 11;align-self:center;margin:0;max-width:23ch;font-size:15px;font-weight:700;line-height:1.35}.catalog-subject__action{grid-column:11 / 13;align-self:stretch;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-left:18px;border-left:1px solid var(--catalog-ink);font-size:13px;font-weight:700;line-height:1.15;text-transform:uppercase}.catalog-subject__arrow{color:var(--catalog-red);font-size:42px;font-weight:400;line-height:1;transition:transform .16s ease}.catalog-subject:hover{background:var(--catalog-ink);color:var(--catalog-paper)}.catalog-subject:hover .catalog-subject__action{border-color:var(--catalog-paper)}.catalog-subject:hover .catalog-subject__arrow{transform:translate(7px)}.catalog-future{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.catalog-future__label{grid-column:1 / 3;padding:17px 0;color:var(--catalog-muted);font-size:10px;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.catalog-future__rows{grid-column:3 / 13}.catalog-future-row{min-height:54px;align-items:center;border-bottom:1px solid var(--catalog-faint);color:var(--catalog-muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.catalog-future-row__number{grid-column:1 / 2}.catalog-future-row__line{grid-column:2 / 10;height:1px;background:var(--catalog-faint)}.catalog-future-row__status{grid-column:10 / 13;text-align:right}.catalog-footer{min-height:94px;margin-top:34px;padding:0;display:grid;grid-template-columns:repeat(12,1fr);gap:18px;align-items:center;border-top:2px solid var(--catalog-ink);background:transparent;color:var(--catalog-ink);font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}.catalog-footer .catalog-footer__mark{grid-column:1 / 3;color:var(--catalog-red);font-size:19px;letter-spacing:-.04em;text-decoration:none}.catalog-footer__purpose{grid-column:3 / 8;color:inherit;font-size:inherit}.catalog-footer__count{grid-column:11 / 13;color:inherit;font-size:inherit;text-align:right}@media(max-width:760px){.catalog-page__inner{padding:0 18px}.catalog-masthead{min-height:82px;grid-template-columns:repeat(6,1fr);gap:10px;font-size:9px}.catalog-brand{grid-column:1 / 5;gap:9px}.catalog-brand__block{width:9px;height:22px}.catalog-masthead__section{display:none}.catalog-masthead__issue{grid-column:5 / 7}.catalog-intro{min-height:212px;grid-template-columns:repeat(6,1fr);gap:10px;padding:24px 0 23px}.catalog-intro__kicker{grid-column:1 / 7}.catalog-intro h1{grid-column:1 / 7;font-size:clamp(56px,19.2vw,76px)}.catalog-intro__note{grid-column:3 / 7;font-size:10px}.catalog-table__head{display:none}.catalog-subject{grid-template-columns:repeat(6,1fr);gap:10px;min-height:310px;padding:19px 0 0}.catalog-subject__ordinal{grid-column:1 / 3;align-self:start;font-size:96px}.catalog-subject__title{grid-column:1 / 7;align-self:center;max-width:8ch;font-size:clamp(43px,12.4vw,52px)}.catalog-subject__meta{grid-column:1 / 5;align-self:end;padding-bottom:18px;font-size:13px}.catalog-subject__action{grid-column:5 / 7;align-self:end;min-height:72px;padding-left:10px;font-size:10px}.catalog-subject__arrow{font-size:30px}.catalog-future{grid-template-columns:repeat(6,1fr);gap:10px}.catalog-future__label{grid-column:1 / 7;padding:15px 0 9px}.catalog-future__rows{grid-column:1 / 7}.catalog-future-row{grid-template-columns:repeat(6,1fr);gap:10px}.catalog-future-row__number{grid-column:1 / 2}.catalog-future-row__line{grid-column:2 / 5}.catalog-future-row__status{grid-column:5 / 7}.catalog-footer{min-height:82px;grid-template-columns:repeat(6,1fr);gap:10px;align-items:center;flex-direction:initial}.catalog-footer .catalog-footer__mark{grid-column:1 / 3}.catalog-footer__purpose{display:none}.catalog-footer__count{grid-column:3 / 7}}